diff --git a/test/common.py b/test/common.py
index a6b37f77f07ea..3136b9c544df4 100644
--- a/test/common.py
+++ b/test/common.py
@@ -1123,6 +1123,8 @@ def require_jspi(self):
     self.set_setting('JSPI')
     if self.is_wasm2js():
       self.skipTest('JSPI is not currently supported for WASM2JS')
+    if self.get_setting('WASM_ESM_INTEGRATION'):
+      self.skipTest('WASM_ESM_INTEGRATION is not compatible with JSPI')
 
     if self.is_browser_test():
       if 'EMTEST_SKIP_JSPI' in os.environ:
diff --git a/tools/link.py b/tools/link.py
index 1dbcb738e4406..8c814754e5961 100644
--- a/tools/link.py
+++ b/tools/link.py
@@ -808,8 +808,8 @@ def phase_linker_setup(options, linker_args):  # noqa: C901, PLR0912, PLR0915
       exit_with_error('WASM_ESM_INTEGRATION requires MODULARIZE=instance')
     if settings.RELOCATABLE:
       exit_with_error('WASM_ESM_INTEGRATION is not compatible with dynamic linking')
-    if settings.ASYNCIFY == 1:
-      exit_with_error('WASM_ESM_INTEGRATION is not compatible with -sASYNCIFY=1')
+    if settings.ASYNCIFY:
+      exit_with_error('WASM_ESM_INTEGRATION is not compatible with -sASYNCIFY')
     if settings.WASM_WORKERS or settings.PTHREADS:
       exit_with_error('WASM_ESM_INTEGRATION is not compatible with multi-threading')
     if settings.USE_OFFSET_CONVERTER: